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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jack Massaro

Bib: 7895 •M •Age: N/A

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:08
3.11 mi
Rank: #19573
Start → 5K
26:08 | 8:25/mi
10K
50:31
6.21 mi
Rank: #17948 (+1625)
5K → 10K
24:23 | 7:51/mi
15K
1:17:41
9.32 mi
Rank: #19201 (-1253)
10K → 15K
27:10 | 8:45/mi
20K
1:44:12
12.43 mi
Rank: #19290 (-89)
15K → 20K
26:31 | 8:33/mi
HALF
1:49:53
13.11 mi
Rank: #19281 (+9)
20K → HALF
5:41 | 8:21/mi
25K
2:12:22
15.53 mi
Rank: #19854 (-573)
HALF → 25K
22:29 | 9:17/mi
30K
2:40:16
18.64 mi
Rank: #19766 (+88)
25K → 30K
27:54 | 8:59/mi
20M
2:52:18
20.00 mi
Rank: #19658 (+108)
30K → 20M
12:02 | 8:52/mi
21M
3:01:30
21.00 mi
Rank: #19496 (+162)
20M → 21M
9:12 | 9:12/mi
35K
3:07:51
21.75 mi
Rank: #19426 (+70)
21M → 35K
6:21 | 8:30/mi
23M
3:18:14
23.00 mi
Rank: #19137 (+289)
35K → 23M
10:23 | 8:18/mi
24M
3:26:36
24.00 mi
Rank: #19000 (+137)
23M → 24M
8:22 | 8:22/mi
40K
3:33:59
24.85 mi
Rank: #18888 (+112)
24M → 40K
7:23 | 8:39/mi
25.2M
3:37:25
25.20 mi
Rank: #18909 (-21)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:45:53
26.22 mi
Rank: #18825 (+84)
25.2M → FINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:53
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:56:00
Pace8:51 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:5826:088:2526:08
8:25
-
10K
6.21 mi10:59:2150:318:0824:23
7:51
-0:34
15K
9.32 mi11:26:311:17:418:2127:10
8:45
+0:54
20K
12.43 mi11:53:021:44:128:2426:31
8:33
-0:12
HALF
13.11 mi11:58:431:49:538:235:41
8:21
-0:12
25K
15.53 mi12:21:122:12:228:3222:29
9:17
+0:56
30K
18.64 mi12:49:062:40:168:3627:54
8:59
-0:18
20M
20.00 mi13:01:082:52:188:3712:02
8:52
-0:07
21M
21.00 mi13:10:203:01:308:399:12
9:12
+0:20
35K
21.75 mi13:16:413:07:518:396:21
8:30
-0:42
23M
23.00 mi13:27:043:18:148:3810:23
8:18
-0:12
24M
24.00 mi13:35:263:26:368:378:22
8:22
+0:04
40K
24.85 mi13:42:493:33:598:377:23
8:39
+0:17
25.2M
25.20 mi13:46:153:37:258:383:26
9:58
+1:19
FINISH
26.22 mi13:54:433:45:538:388:28
8:19
-1:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:51 /mi

Average Pace

8:37 /mi

Slowest Pace

9:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

34:46

15% of race

Time at Steady Pace

1:56:04

51% of race

Time at Slower Pace

1:15:03

33% of race

Average Pace: 8:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:34:5826:088:2526:08
8:25
#19573
10K
6.21 mi10:59:2150:318:0824:23
7:51
#17948
15K
9.32 mi11:26:311:17:418:2127:10
8:45
#19201
20K
12.43 mi11:53:021:44:128:2426:31
8:33
#19290
HALF
13.11 mi11:58:431:49:538:235:41
8:21
#19281
25K
15.53 mi12:21:122:12:228:3222:29
9:17
#19854
30K
18.64 mi12:49:062:40:168:3627:54
8:59
#19766
20M
20.00 mi13:01:082:52:188:3712:02
8:52
#19658
21M
21.00 mi13:10:203:01:308:399:12
9:12
#19496
35K
21.75 mi13:16:413:07:518:396:21
8:30
#19426
23M
23.00 mi13:27:043:18:148:3810:23
8:18
#19137
24M
24.00 mi13:35:263:26:368:378:22
8:22
#19000
40K
24.85 mi13:42:493:33:598:377:23
8:39
#18888
25.2M
25.20 mi13:46:153:37:258:383:26
9:58
#18909
FINISH
26.22 mi13:54:433:45:538:388:28
8:19
#18825
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19573120831208321431(Top 74%)12986(Top 79%)12986(Top 227%)
10K6.21 mi3.10 mi17948+162511407+67611407+67616036(Top 55%)10646(Top 65%)10646(Top 186%)
15K9.32 mi3.11 mi19201-125311953-54611953-54621431(Top 74%)12986(Top 79%)12986(Top 227%)
20K12.43 mi3.11 mi19290-8911984-3111984-3119492(Top 67%)12054(Top 74%)12054(Top 211%)
HALF13.11 mi0.68 mi19281+911980+411980+419222(Top 66%)11977(Top 73%)11977(Top 209%)
25K15.53 mi2.42 mi19854-57312216-23612216-23622282(Top 77%)13364(Top 82%)13364(Top 234%)
30K18.64 mi3.11 mi19766+8812155+6112155+6119473(Top 67%)11922(Top 73%)11922(Top 208%)
20M20.00 mi1.36 mi19658+10812090+6512090+6518250(Top 63%)11276(Top 69%)11276(Top 197%)
21M21.00 mi1.00 mi19496+16211999+9111999+9117132(Top 59%)10744(Top 66%)10744(Top 188%)
35K21.75 mi0.75 mi19426+7011962+3711962+3717497(Top 60%)10816(Top 66%)10816(Top 189%)
23M23.00 mi1.25 mi19137+28911818+14411818+14414440(Top 50%)9442(Top 58%)9442(Top 165%)
24M24.00 mi1.00 mi19000+13711733+8511733+8516109(Top 56%)10086(Top 62%)10086(Top 176%)
40K24.85 mi0.85 mi18888+11211664+6911664+6916466(Top 57%)10177(Top 62%)10177(Top 178%)
25.2M25.20 mi0.35 mi18909-2111665-111665-119190(Top 66%)11453(Top 70%)11453(Top 200%)
FINISH26.22 mi1.02 mi18825+8411617+4811617+4817085(Top 59%)10465(Top 64%)10465(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21
+97ft-345ft

Overall

21431

Males

12986

M18-39

12986

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16036

Males

10646

M18-39

10646

10K→15K

6.2 - 9.3 mi

Top 74%
×3
+67ft-78ft

Overall

21431

Males

12986

M18-39

12986

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19492

Males

12054

M18-39

12054

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19222

Males

11977

M18-39

11977

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22282

Males

13364

M18-39

13364

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19473

Males

11922

M18-39

11922

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18250

Males

11276

M18-39

11276

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17132

Males

10744

M18-39

10744

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17497

Males

10816

M18-39

10816

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14440

Males

9442

M18-39

9442

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16109

Males

10086

M18-39

10086

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16466

Males

10177

M18-39

10177

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19190

Males

11453

M18-39

11453

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17085

Males

10465

M18-39

10465

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3147*
Passed By
920
Net Change
+748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19573
5K → 10K1640*15+1625#19573#17948
10K → 15K13200-1253#17948#19201
15K → 20K119200-89#19201#19290
20K → HALF2617+9#19290#19281
HALF → 25K32200-573#19281#19854
25K → 30K217*129+88#19854#19766
30K → 20M13729+108#19766#19658
20M → 21M18321+162#19658#19496
21M → 35K8515+70#19496#19426
35K → 23M293*4+289#19426#19137
23M → 24M15316+137#19137#19000
24M → 40K12513+112#19000#18888
40K → 25.2M1637-21#18888#18909
25.2M → FINISH10824+84#18909#18825
TOTALS3147*920+748

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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